Infernus pyroclasts

Infernus pyroclasts is a members item, with a high alchemy value of 6 coins. At least 7 monsters drop it. The easiest is Zamorakian ritual keeper (level 107, 1/20.4); the best rate is Zamorak, Lord of Chaos (level 14,000), at 1/13, about one every 4 kills.

“A heap of volcanic soil from Infernus - every farmer's dream.”

MembersTradeable (not for Ironmen)High alch 6 gp

Updated 9 October 2026. Sources from the RuneScape Wiki's drop, shop and recipe data (CC BY-NC-SA 3.0), checked 2026-10-09. Item sprite © Jagex.

Ironman verdict

Other sources include Greater demon pyromancer, Greater demon sage, Greater demon savage and Hellhound (The Zamorakian Undercity), plus 4 more listed below. One recipe uses Infernus pyroclasts: Ultracompost. Infernus pyroclasts is members-only. It is tradeable on normal accounts, but an Ironman cannot use the Grand Exchange or trade for it, so the sources on this page are the whole list. High Alchemy turns one into 6 coins.

At a glance

Members: Yes
Tradeable: Yes, but not for Ironmen
High alch: 6 coins
Monster drops: 7
Shops: None
Recipes: None
Used in: 1 recipe

Monster drops

Dropped by	Level	Quantity	Rarity
Zamorak, Lord of Chaos	14000	2–5	1/13
Zamorakian cultist	116	2–4	1/20.4
Zamorakian ritual keeperEasiest	107	2–4	1/20.4
Zamorakian hunter	114	2–4	1/20.4
War priestess of chaos	137	2–4	1/27.9
War priest of chaos	137	2–4	1/27.9
Chaos witch mender	109	2–4	1/30.7